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| 1n4728a through 1n4753a silicon epitaxial planar zener diodes for stabilized power supply ade-208-136 (z) preliminary, rev. 0 aug. 1993 features glass package do-41 structure ensures high reliability. wide spectrum from 3.3v through 36v of zener voltage provide flexible application. ordering information type no. mark package code 1n4728a through 1n4753a type no. do-41 outline 1. cathode
2. anode cathode band type no. 1 2 absolute maximum ratings (ta = 25 c) item symbol value unit power dissipation pd 1.0 w surge power dissipation pd(surge) 12 w junction temperature tj 175 c storage temperature tstg C55 to +175 c note: p w = 10ms
1n4728a through 1n4753a 2 electrical characteristics (ta = 25 c) v z (v)* i r ( m a) z zt ( w )z zk ( w ) test condition test condition test condition test condition i z (ma) max v r (v) max i zt (ma) max i zk (ma) 1n4728a 3.3 5 (%) 76 100 1.0 10 76 400 1.0 1n4729a 3.6 5 (%) 69 100 1.0 10 69 400 1.0 1n4730a 3.9 5 (%) 64 50 1.0 9 64 400 1.0 1n4731a 4.3 5 (%) 58 10 1.0 9 58 400 1.0 1n4732a 4.7 5 (%) 53 10 1.0 8 53 500 1.0 1n4733a 5.1 5 (%) 49 10 1.0 7 49 550 1.0 1n4734a 5.6 5 (%) 45 10 2.0 5 45 600 1.0 1n4735a 6.2 5 (%) 41 10 3.0 2 41 700 1.0 1n4736a 6.8 5 (%) 37 10 4.0 3.5 37 700 1.0 1n4737a 7.5 5 (%) 34 10 5.0 4 34 700 0.5 1n4738a 8.2 5 (%) 31 10 6.0 4.5 31 700 0.5 1n4739a 9.1 5 (%) 28 10 7.0 5 28 700 0.5 1N4740A 10 5 (%) 25 10 7.6 7 25 700 0.25 1n4741a 11 5 (%) 23 5 8.4 8 23 700 0.25 1n4742a 12 5 (%) 21 5 9.1 9 21 700 0.25 1n4743a 13 5 (%) 19 5 9.9 10 19 700 0.25 1n4744a 15 5 (%) 17 5 11.4 14 17 700 0.25 1n4745a 16 5 (%) 15.5 5 12.2 16 15.5 700 0.25 1n4746a 18 5 (%) 14.0 5 13.7 20 14.0 750 0.25 1n4747a 20 5 (%) 12.5 5 15.2 22 12.5 750 0.25 1n4748a 22 5 (%) 11.5 5 16.7 23 11.5 750 0.25 1n4749a 24 5 (%) 10.5 5 18.2 25 10.5 750 0.25 1n4750a 27 5 (%) 9.5 5 20.6 35 9.5 750 0.25 1n4751a 30 5 (%) 8.5 5 22.8 40 8.5 1000 0.25 1n4752a 33 5 (%) 7.5 5 25.1 45 7.5 1000 0.25 1n4753a 36 5 (%) 7.0 5 27.4 50 7.0 1000 0.25 note: tested with dc. 1n4728a through 1n4753a 3 zener current vs. zener voltage 100 80 60 40 20 0 zener current i z (ma) zener voltage v z (v) 10 20 30 40 1n4730a 1n4730a 1n4732a 1n4734a 1n4736a 1n4738a 1n4739a 1N4740A 1n4746a 1n4747a 1n4748a 1n4749a 1n4728a 1n4750a 1n4751a 1n4752a 1n4753a 1n4741a 1n4742a 1n4743a 1n4744a 1n4745a temperature coefficient vs. zener voltage 010 20 30 40 zener voltage v (v) zener voltage temperature coefficient (%/ c) 10 0 ?0 ?0 ?0 ?0 ?0 0.10 z zener voltage temperature coefficient (mv/ c) z g 0.08 0.06 0.04 0.02 0 ?.02 ?.04 ?.06 ?.08 ?.1 20 30 40 50 z g %/ c mv/ c 1n4728a through 1n4753a 4 power dissipation vs. ambient temperature 1.0 0.8 0.6 0.4 0.2 200 150 100 50 0 ambient temperature ta ( c) power dissipation p (w) 0 infinite heat sink plate d l = 25mm ll surge reverse power ratings ta = 25 c nonrepetitive t p rsm time t (s) 10 10 1.0 10 10 1.0 10 10 10 10 10 nonrepetitive surge reverses power p (w) rsm 4 3 2 ? ? ? ? ? 1n4728a through 1n4753a 5 transient thermal impedance 10 10 10 1.0 10 10 10 10 10 10 1.0 tim t (s) transient thermal impedance z ( c/w) th 3 2 ? ? ? 2 3 package dimensions 26.0 min 5.0 max 26.0 min 3.0 max 0.8 f f 12 1n 4728 cathode band (black) type no. (black) 1n 4728 a abbreviation of type name 1n4728a expanded drawing of marking hitachi code jedec code eiaj code weight (g) do-41 do-41 sc-47 0.38 1 2 cathode anode unit: mm |
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